{"data":{"id":"us/40-cfr-57.109","jurisdiction":"us","citation":"40 CFR 57.109","heading":"Maintenance of pay.","body":"The Administrator will not approve or issue an NSO for any smelter unless he has approved or promulgated SIP provisions which are applicable to the smelter and which satisfy the requirements of section 110(a)(6) of the Clean Air Act.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 57—PRIMARY NONFERROUS SMELTER ORDERS","Subpart A—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"2178b161a6f15731cbe4cbea81d4060a1e9905a16e49a79f49a25eb5e1521887","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-57.108","next":"us/40-cfr-57.110"},"notice":"GroundRules: Original legal text. Not legal advice."}